.NET PDF SDK
Looking for a fully-featured and robust PDF Toolkit?
GdPicture.NET PDF SDK is a very intuitive API that helps you build fully-customizable applications for any software development.
GdPicture.NET PDF SDK is developed with GdPicture technologies since 2003. See the weekly release for new features and improvements of the SDK.
View, edit & convert
PDF viewer
Add a customizable and fully-featured viewer to your applications.
This viewer for all platforms displays complex files instantly, with a crystal clear rendering and full Unicode support. Support for all versions of PDF and PDF/A and 100+ document, office, and image formats.
Add thumbnails, annotations, signature, redaction, encryption, text search, and much more!
PDF generation
Create structured, secure, and compliant PDF files (all versions including PDF 2.0) with the GdPicture.NET PDF SDK.
Go a step further and build accessible PDFs with PDF/UA generation feature. Make your PDFs ready for long-term archiving with PDF/A compliance or generate PDF files for the Web with linearization.
You can also add layers, transparency, images and other contents, and more!
PDF conversion
Add advanced document conversion capabilities from +100 file formats to your applications.
Compress and optimize your files during conversion, make your documents searchable, and compatible for long-term archiving.
Convert and combine Office formats, CAD, SVG, DICOM, and other images formats to all versions of PDF and PDF/A.
Scan & print
Scanning
Acquire documents from scanners and digital cameras with TWAIN and WIA capabilities. Develop fully-featured scanning application with duplex scanning, blank page detection, and advanced batch features.
Printing
Print any document on any printer!
GdPicture.NET PDF SDK offers a wide range of printing capabilities, including single page and multi-page document support, printer dialog boxes, printer selection, print quality mode, printing alignment, paper tray selection, and more.
Compress & optimize
Hyper-compression
The GdPicture.NET hyper-compression engine is based on innovative MRC (Mixed Raster Content) technologies producing spectacular results by automatically adjusting the tradeoff between quality and compression rate to provide top quality PDF MRC documents at the smaller possible size. The MRC engine can handle any document, including forms, photos, and vectors.
Optimization
Probably the most comprehensive PDF optimization engine of the market. More than ten years of continuous research have been required to address all areas of compression and optimization, focusing on font optimization, data compression, and image analysis.
Collaborate
Annotation & collaboration
Bring annotations and collaborative features to your PDF, office, and image files.
Add annotation capabilities to your applications such as editing, custom annotations, rubber-stamp, sticky notes, freehand, text, and more.
Ease real-time collaboration and workflows by adding comments and setting permissions with DocuVieware.
Form filling
Create, edit, flatten, and print form fields with GdPicture.NET PDF SDK.
All modifications are displayed in the viewer in real-time.
Full support for PDF transparency schemes for rendering and PDF creation is included.
Integrate instant collaborative form filling processes in your workflows with our HTML5 viewer.
Editing
Edit and modify your PDF files any way you want: split and merge documents, swap, delete, append, clone, duplicate, and rotate pages. Make content changes, add, and extract fonts, edit annotations and other graphical elements. Repair corrupted documents. Display the modified PDF in the viewer in real-time.
Analyze
OCR
Bring annotations and collaborative features to your PDF, office, and image files.
Add annotation capabilities to your applications such as editing, custom annotations, rubber-stamp, sticky notes, freehand, text, and more.
Ease real-time collaboration and workflows by adding comments and setting permissions with DocuVieware.
OMR
Create, edit, flatten, and print form fields with GdPicture.NET PDF SDK.
All modifications are displayed in the viewer in real-time.
Full support for PDF transparency schemes for rendering and PDF creation is included.
Integrate instant collaborative form filling processes in your workflows with our HTML5 viewer.
Barcode reading & writing
Edit and modify your PDF files any way you want: split and merge documents, swap, delete, append, clone, duplicate, and rotate pages. Make content changes, add, and extract fonts, edit annotations and other graphical elements. Repair corrupted documents. Display the modified PDF in the viewer in real-time.
MICR
Bring annotations and collaborative features to your PDF, office, and image files.
Add annotation capabilities to your applications such as editing, custom annotations, rubber-stamp, sticky notes, freehand, text, and more.
Ease real-time collaboration and workflows by adding comments and setting permissions with DocuVieware.
Automatic document recognition
Create, edit, flatten, and print form fields with GdPicture.NET PDF SDK.
All modifications are displayed in the viewer in real-time.
Full support for PDF transparency schemes for rendering and PDF creation is included.
Integrate instant collaborative form filling processes in your workflows with our HTML5 viewer.
Tagged PDF
Edit and modify your PDF files any way you want: split and merge documents, swap, delete, append, clone, duplicate, and rotate pages. Make content changes, add, and extract fonts, edit annotations and other graphical elements. Repair corrupted documents. Display the modified PDF in the viewer in real-time.
Secure
Encryption
Secure documents with password protection and adjusting permissions on the document.
Remove password security of a PDF. Make your digital signing process safe with the latest encryption technologies.
Digital signature
Use digital signatures and certificates to ensure the authenticity and integrity of your PDF documents. Add advanced signing support with a high-security level to all your applications, thanks to PDF/A compliance and support for digital certificates, timestamps, and multiple signatures.
Redaction
Remove sensitive and personal data from your PDF documents.
Integrate PDF Redaction features in your workflows to safely share or archive your files.
Build applications compliant with data privacy and protection regulations (GDPR, CCPA).
PDF/A support
Convert your PDF files and documents to PDF/A (all versions), the ISO standard for long-term archiving.
PDF/A files created with GdPicture.NET are ISO-compliant, and you can check your files with our PDF/A validator.
Converted files are fully searchable and keep a reasonable size thanks to the hyper-compression engine.